Patents by Inventor Darrell Ingram

Darrell Ingram has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5917429
    Abstract: Digital data are communicated between a portable data-gathering unit and a data-receiving unit without direct electrical connection by transmitting the data over a contactless connection system. In a preferred embodiment, data flow is bidirectional.
    Type: Grant
    Filed: March 11, 1996
    Date of Patent: June 29, 1999
    Assignee: Aprex Corporation
    Inventors: Alton B. Otis, Jr., Darrell Ingram, Tom Papanek